Properties of Sulphur Dioxide

Q. What is the colour of sulphur dioxide $S{O}_2$?

1. Yellow
2. Green
3. Pink
4. colourless

Q. What is the colour change of dry blue litmus paper in a dry sulphur dioxide?

1. Blue litmus turns red
2. Blue litmus turns yellow
3. Blue litmus turns colourless
4. No change

Q.

The product formed when sulphur reacts with oxygen is:

1. Sulfuric Acid

2. Sulphur trioxide

3. Sulfur dioxide

4. Sulfurous Acid

Q. What happens when we introduce a few petals of rose flowers into a jar of $S{O}_2$ without soaking it in water?

1. The petals turns powdery
2. The petals will decolourise
3. No change occurs
4. The petals dissolves into a jar of $S{O}_2$

Q. How many oxygen atoms are present in sulphurous acid?

1. 4
2. 3
3. 2
4. 1

Q. Sulphur dioxide reacts with water to give

1. $H_{2}S$
2. $H_{2}S{O}_4$
3. $H_{2}S{O}_3$
4. $H_2$ + $S{O}_3$

Q. From the reaction of $NaOH$ with sulphur dioxide, what can be concluded about the nature of sulphur dioxide?

1. It is acidic in nature
2. It is amphoteric in nature
3. It is basic in nature
4. It is neutral in nature

Q. What is the name of the chemical compound which is formed when sulphur dioxide is treated with water?

1. Sulphuric acid
2. Sulphonic acid
3. Hydrosulphuric acid
4. Sulphurous acid